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3rd gear

  1. 4r100 valvebody issues

    [7.3L - Aftermarket & Performance]
    Finished up a bd stage 4 build it kit install on my 99 f250 rwd reverse 1,2, and 4 gear are good and solid with nice smooth crisp shifts driving down the road once it goes into 3rd gear and you put any power to it, 3rd gear slips and drops to second gear, 3rd gear will only come back for a few...